Cheok, G.
and Stone, W.
(1993),
Performance of 1/3-Scale Model Precast Concrete Beam-Column Connections Subjected to Cyclic Inelastic Loads. Report No. 3, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.IR.5246
(Accessed January 23, 2025)
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Performance of 1/3-Scale Model Precast Concrete Beam-Column Connections Subjected to Cyclic Inelastic Loads. Report No. 3
Published
Author(s)
,
Abstract
Test results of hybrid post-tensioned precast concrete beam-to-column connections are presented. These tests represent Phase IV A of an experimental program on 1/3-scale model precast concrete moment resisting connections being conducted at the National Institute of Standards and Technology. Previous test results in Phases I through III are summarized. The objective of the test program is to develop guidelines for an economical study is to use post-tensioning to connect the members and to eliminate the use of column corbels. Monolithic control specimens tested in Phase I were designed to model interior moment resisting connections designed in accordance with the Uniform Building Code (ICBO, 1985 and 1988) criteria for seismic Zones 2 and 4. The precast specimens were designed to achieve moment and geometric compatibility with the monolithic design. To date, twenty specimens have been tested. Variables in the study include the location of the post-tensioning steel (Phase I), the use of post-tensioning bars versus strands (Phase II), the use of fully and partially bonded and unbonded strands (Phase III), and the combination of low strength steel and post-tensioning (Phase IV, described in this report). Specimens were subjected to reversed cyclic loading according to a prescribed displacement history. Comparisons are made between the behavior of the precast specimens and monolithic specimens. The comparisons are based on connection strength, drift capacity of the connection, and energy dissipation characteristics.Citation
NIST Interagency/Internal Report (NISTIR) - 5246
Report Number
5246
NIST Pub Series
Pub Type
NIST Pubs
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Keywords
building technology, beam-column, concrete, connections, cyclic loading, joint, precast, post-tensioning, story drift
Citation
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Created August 1, 1993, Updated November 10, 2018